| Gamharia | |
| Settlement Type: | Village and city |
| Pushpin Map: | India Bihar#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 24.5911°N 84.7406°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Gaya |
| Unit Pref: | Metric |
| Elevation M: | 159 |
| Population Density Km2: | auto |
| Demographics Type1: | sex |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Maithali, Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 824211 |
| Blank1 Name Sec1: | Coastline |
| Blank1 Info Sec1: | 0km (00miles) |
| Blank2 Name Sec1: | Nearest city |
| Blank2 Info Sec1: | Gaya, Kolkatta |
| Blank3 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Gaya |
| Blank1 Name Sec2: | Avg. summer temperature |
| Blank1 Info Sec2: | 30°C48°C |
| Blank2 Name Sec2: | Avg. winter temperature |
| Blank2 Info Sec2: | 20°C3°C |
| Iso Code: | IN-BR |
Gamharia is a village in the Gaya district of the Indian state of Bihar.
The main markets are Sherghati, Chandiastan, Darioura and Gola Bazar (among the largest cattle markets in Bihar).
Gamharia experienced an Indian socialist revolution where the late Sri Tileswar Singh began his dramatically violent protests against the British in India.
His son, Late Sri Kedar Singh, works on development of the panchayat and became Mukhiya of Guneri Panchayat six consecutive times, earning him the nickname 'Mukhiyaji' after the Bihar Panchayat Election.
It is about 45km (28miles) from Gaya, situated on Sher Shah Suri Marg (GT Road) between Kolkata and Delhi and is surrounded by the Kamaun range.
National Highway 2 passes through Gamharia, along with State highway 69. It is located on the Amritsar Delhi Kolkata industrial corridor.
The Grand Trunk Road (NH-2) has undergone a revival through The Golden Quadrilateral project) crosses from Gamharia.
The nearest Railway Station, Gaya, is connected to Patna, Ranchi, Jamshedpur, Bokaro, Rourkela, Hazaribag, Kolkata, Varanasi, Allahabad, Kanpur, Delhi, Amritsar,
The nearest airport is Gaya Airport, the only international airport in Bihar and Jharkhand. Sri Lankan Airlines, Drukair and Thai Airways connect Gaya to international destinations. Gaya Airport is 5 km from Bodh-Gaya.
Gamharia prefers a traditional Bihari cuisine. The most popular dishes include,,,,,,, and .
Local Muslims are fond of (meat cooked in mud vessels by burying them partially into the ground and eliminating metal from the cooking experience),,, etc.
The educational climate in Chandisthan has improved (at least at the school level) since DAV Public School opened its branch in town (around 1992). Locals tend to search elsewhere for higher studies.